Do you need to repair your Yamaha YZ125 2-stroke motorcycle? The Yamaha YZ125 2-Stroke Cyclepedia Press LLC Printed Motorcycle Service Manual features detailed black and white photographs and wiring diagrams, complete specifications with step-by-step procedures performed and written by a veteran Yamaha dealer trained technician. The Yamaha YZ125 two-stroke online manual covers: 2005 Yamaha YZ125T 2006 Yamaha YZ125V 2007 Yamaha YZ125W 2008 Yamaha YZ125X 2009 Yamaha YZ125Y 2010 Yamaha YZ125Z 2011 Yamaha YZ125A 2012 Yamaha YZ125B 2013 Yamaha YZ125D 2014 Yamaha YZ125E 2015 Yamaha YZ125F 2016 Yamaha YZ125G 2016 Yamaha YZ125XG 2017 Yamaha YZ125H 2017 Yamaha YZ125XH 2018 Yamaha YZ125J 2018 Yamaha YZ125XJ 2019 Yamaha YZ125K 2019 Yamaha YZ125XK 2020 Yamaha YZ125 2021 Yamaha YZ125 Table of Contents Quick Reference Specifications Torque Specs VIN and Engine Number Periodic Maintenance Periodic Maintenance Chart Air Filter Servicing Brake Bleeding Brake Fluid Brake Inspection Clutch Cable Inspection and Adjustment Compression Check Cylinder Head, Cylinder, Piston, Exhaust Valve Cleaning Chain Drive and Guides Engine Idle Speed Front Suspension Settings Fuel Filter Fuel Line Lubrication Rear Suspension Settings Silencer Inspection Spark Plug Steering Head Inspection and Adjustment Suspension Inspection Throttle Free Play Tires Torque Check Points Transmission Oil External Components Bodywork Brake Pedal Exhaust System Footpegs Fuel Tank Handlebar Seat Side Stand (YZ125X) Sub Frame Cooling System Coolant Radiators Water Pump Engine Cylinder Head Piston and Cylinder Exhaust Valve (YPVS) Exhaust Valve Governor CDI Magneto Clutch Removal Clutch Installation Primary Drive Gear Right Side Crankcase Cover Kick Starter Engine Removal Engine Installation Crankcase Splitting Crankcase Bearings and Seals Crankcase Assembly Crankshaft and Rod Gearshift Transmission Removal Transmission Installation Fuel System Air Box Carburetor Removal Carburetor Disassembly Carburetor Assembly Carburetor Installation Fuel Level Adjustment Jetting Reed Valve Final Drive Drive Chain Engine Sprocket Rear Wheel Sprocket Brakes Front Caliper Front Master Cylinder Rear Caliper Rear Master Cylinder Rotor (Front or Rear) Front Suspension Fork Removal and Installation Fork Disassembly Fork Assembly Rear Suspension Shock Absorber Suspension Linkage Swing Arm Steering Steering Head Removal Steering Head Installation Wheels Front Wheel Rear Wheel Wheel Inspection Bearing Replacement Electrical System Ignition System Solenoid Valve TPS (Throttle Position Sensor) Wiring Diagrams